#include <iostream>
#include <string>
using namespace std;
int main(){
	string str="flag:{VEg46R4m03a0170d16b045045f7c3a040a43c103a}";
	string::iterator it_s;
	it_s=str.begin()+15;
	cout<<*it_s<<endl;
	for(it_s;it_s!=str.end()-1;it_s++){
		*it_s^=0x7;
	}
	cout<<str<<endl;
}
